Buy 13 mm Round Calibrated Gemstones from GemSelect
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Bi-color
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Black
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Blue Round Shape 13 mm Gems
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Brown Round Shape 13 mm Gems
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Golden
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Gray Round Shape 13 mm Gems
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Green Round Shape 13 mm Gems
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Multicolor Round Shape 13 mm Gems
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Orange
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Pink Round Shape 13 mm Gems
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Purple
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Red Round Shape 13 mm Gems
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Turquoise
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Violet Round Shape 13 mm Gems
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White Round Shape 13 mm Gems
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Yellow Round Shape 13 mm Gems
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
28.98ctw Brown Rutile Quartz, Sphere / Ball, Transparent
13 mm (calibrated)
$ 31.76
8.80ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$ 7.01
7.33ct Yellow Rutile Quartz, Round, Transparent
13 mm (calibrated)
$ 19.92
6.55ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$ 10.77
10.42ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$ 10.38
30.41ctw White Howlite, Sphere / Ball, Opaque
13 mm (calibrated)
$ 17.32
7.01ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$ 23.04
9.30ct Green Maw-Sit-Sit, Round, Opaque
13 mm (calibrated)
$ 30.57
8.14ct Brown Smoky Quartz, Round, VVS-VS
14 mm (calibrated)
$ 13.38
5.90ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$ 9.70
11.32ct Green Maw-Sit-Sit, Round, Opaque
13 mm (calibrated)
$ 37.21
9.82ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$ 16.62
30.18ctw White Howlite, Sphere / Ball, Opaque
13 mm (calibrated)
$ 17.19
7.04ct Yellow Rutile Quartz, Round, Transparent
13 mm (calibrated)
$ 24.45
8.01ct Yellow Rutile Quartz, Round, Translucent
13 mm (calibrated)
$ 21.76
7.46ct Yellow Citrine, Round, VVS-VS
13 mm (calibrated)
$ 49.04
8.02ct Yellow Citrine, Round, VVS-VS
13 mm (calibrated)
$ 43.93
7.37ct Brown Rutile Quartz, Round, Transparent
13 mm (calibrated)
$ 16.14
13.27ct Green Maw-Sit-Sit, Round, Opaque
13 mm (calibrated)
$ 30.98
8.94ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$ 7.42
8.70ct White Quartz Cat'S Eye, Round, Transparent
13 mm (calibrated)
$ 30.88
13.59ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$ 10.82
8.34ct Multicolor Labradorite, Round, Translucent
13 mm (calibrated)
$ 17.94
6.45ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$ 10.61
Why Buy Round Shape 13 Mm Gems from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 9 
Easy to use. Many options to find the right gemstone
Overall Rating -> 10 
I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future
Overall Rating -> 10
I was able to find what I've been looking for.
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 10
Excellent options
Overall Rating -> 10
Found a rock that met my need. Bought it!
